428354003816 has 16 divisors (see below), whose sum is σ = 803417408640. Its totient is φ = 214109361520.

The previous prime is 428354003809. The next prime is 428354003839. The reversal of 428354003816 is 618300453824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428130 + ... + 8478801.

It is an arithmetic number, because the mean of its divisors is an integer number (50213588040).

Almost surely, 2^428354003816 is an apocalyptic number.

It is an amenable number.

428354003816 is a deficient number, since it is larger than the sum of its proper divisors (375063404824).

428354003816 is a wasteful number, since it uses less digits than its factorization.

428354003816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16910104 (or 16910100 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 428354003816 in words is "four hundred twenty-eight billion, three hundred fifty-four million, three thousand, eight hundred sixteen".